EC 7693 then QR 3547 at Barcelona
Lisbon → Barcelona → Santiago de Compostela
Timetable, Barcelona time
21:25EC 7693 from Lisbon at the gate
21:15QR 3547 to Santiago de Compostela leaves the gate
23 h 50 apart on the timetable, overnight
QR 3547 leaves 23 h 50 after EC 7693 arrives on the timetable: more than half a day, so not a connection we count.